Home / 1,290,957.72-1,934,665.04-816,794.25

Finding the Fourth Proportional to 1,290,957.72, 1,934,665.04 and 816,794.25

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Solution

The fourth proportional to 1,290,957.72, 1,934,665.04 and 816,794.25 is: 1,224,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,957.72 : 1,934,665.04 = 816,794.25 : x
  2. Step 2: Convert to fraction form
    1,290,957.72/1,934,665.04 = 816,794.25/x
  3. Step 3: Cross multiply
    1,290,957.72x = 1,934,665.04 × 816,794.25
  4. Step 4: Simplify right side
    1,290,957.72x = 1,580,223,266,590.72
  5. Step 5: Solve for x
    x = 1,580,223,266,590.72/1,290,957.72
  6. Step 6: Final answer
    x = 1,224,070.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.